Answer:
Length: 40 inches
Width: 10 inches
Step-by-step explanation:
Let
width of the rectangle.
From the information "length of a rectangle is four times its width", we can express the length as:
Length = 
- - - -
Perimeter =
(formula for perimeter of rectangle)


(combine like terms)
inches
∴ The width of the rectangle is 10 inches.
To find the length of the rectangle, we can use substitution:
Length = 

inches
∴ The length of the rectangle is 40 inches.
Hope this helps :)
Sorry, i dont understand...
Answer:
3^12 is the correct answer
Step-by-step explanation:
hope this helps
Suppose the three sides are 2x, 6x, and 7x in length.
2x+6x+7x+195
15x=195
x=195/15=13
the longest side is 7*13=91 meters